5 files changed, 194 insertions, 0 deletions
diff --git a/archive/src/platform/file.c b/archive/src/platform/file.c
new file mode 100644
index 0000000..91daa4f
--- /dev/null
+++ b/archive/src/platform/file.c
@@ -0,0 +1,93 @@
+#include "file.h"
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "log.h"
+#include "mem.h"
+#include "str.h"
+
+const char* string_from_file(const char* path) {
+  FILE* f = fopen(path, "rb");
+  if (f == NULL) {
+    ERROR("Error reading file: %s. errno: %d", path, errno);
+    return NULL;
+  }
+  if (ferror(f)) {
+    ERROR("Error reading file: %s. errno: %d", path, errno);
+    return NULL;
+  }
+  fseek(f, 0, SEEK_END);
+  long fsize = ftell(f);
+  rewind(f);
+
+  char* string = malloc(fsize + 1);
+  fread(string, fsize, 1, f);
+  fclose(f);
+
+  string[fsize] = '\0';
+
+  return string;
+}
+
+str8_opt str8_from_file(arena* a, Str8 path) {
+  char* p = cstr(a, path);
+  str8_opt result = { .has_value = false };
+
+  FILE* f = fopen(p, "rb");
+  if (f == NULL) {
+    ERROR("Error reading file: %s. errno: %d", path, errno);
+    return result;
+  }
+  if (ferror(f)) {
+    ERROR("Error reading file: %s. errno: %d", path, errno);
+    return result;
+  }
+  fseek(f, 0, SEEK_END);
+  long fsize = ftell(f);
+  rewind(f);
+
+  u8* raw = arena_alloc(a, fsize + 1);
+  Str8 contents = Str8_create(raw, fsize);
+  contents.buf[contents.len] = '\0';
+
+  fread(raw, fsize, 1, f);
+  fclose(f);
+  result.contents = contents;
+  result.has_value = true;
+
+  return result;
+}
+
+FileData load_spv_file(const char* path) {
+  FILE* f = fopen(path, "rb");
+  if (f == NULL) {
+    perror("Error opening file");
+    return (FileData){ NULL, 0 };
+  }
+
+  fseek(f, 0, SEEK_END);
+  long fsize = ftell(f);
+  rewind(f);
+
+  char* data = (char*)malloc(fsize);
+  if (data == NULL) {
+    perror("Memory allocation failed");
+    fclose(f);
+    return (FileData){ NULL, 0 };
+  }
+
+  size_t bytesRead = fread(data, 1, fsize, f);
+  if (bytesRead < fsize) {
+    perror("Failed to read the entire file");
+    free(data);
+    fclose(f);
+    return (FileData){ NULL, 0 };
+  }
+
+  fclose(f);
+  return (FileData){ data, bytesRead };
+}
diff --git a/archive/src/platform/file.h b/archive/src/platform/file.h
new file mode 100644
index 0000000..5e5e1e1
--- /dev/null
+++ b/archive/src/platform/file.h
@@ -0,0 +1,26 @@
+/**
+ * @file file.h
+ * @brief File I/O utilities
+ * @date 2024-02-24
+ * @copyright Copyright (c) 2024
+ */
+#pragma once
+
+#include "defines.h"
+#include "str.h"
+
+typedef struct str8_opt {
+  Str8 contents;
+  bool has_value;
+} str8_opt;
+
+const char* string_from_file(const char* path);
+
+str8_opt str8_from_file(arena* a, Str8 path);
+
+typedef struct {
+  char* data;
+  size_t size;
+} FileData;
+
+FileData load_spv_file(const char* path);
diff --git a/archive/src/platform/platform.h b/archive/src/platform/platform.h
new file mode 100644
index 0000000..c2be630
--- /dev/null
+++ b/archive/src/platform/platform.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include "defines.h"
+#include "str.h"
+
+// -- Paths
+typedef struct path_opt {
+  Str8 path;
+  bool has_value;
+} path_opt;
+
+// TODO: convert to using str8
+// TODO: use uppercase code style
+path_opt path_parent(arena* a, const char* path);
+
+// --- Threads
+typedef struct CelThread CelThread;
+
+CelThread Thread_Create();
+void Thread_Destroy(CelThread* thread);
+
+// --- Mutexes
+typedef struct CelMutex CelMutex;
+
+CelMutex Mutex_Create();
+void Mutex_Destroy(CelMutex* mutex);
+
+/** @brief Blocks until the mutex can be acquired. if returns false then an error occurred and can
+ * be checked (TODO) */
+bool Mutex_Lock(CelMutex* mutex);
+
+/** @brief Tries to acquire the mutex like `mutex_lock` but returns immediately if the mutex has
+ * already been locked */
+bool Mutex_TryLock(CelMutex* mutex);
+
+/** @brief Releases a mutex. If it is already unlocked then does nothing */
+void Mutex_Unlock(CelMutex* mutex);
diff --git a/archive/src/platform/platform_unix.c b/archive/src/platform/platform_unix.c
new file mode 100644
index 0000000..86ac170
--- /dev/null
+++ b/archive/src/platform/platform_unix.c
@@ -0,0 +1,16 @@
+#include "platform.h"
+
+#if defined(CEL_PLATFORM_LINUX) || defined(CEL_PLATFORM_MAC)
+
+#include <libgen.h>
+#include <string.h>
+
+path_opt path_parent(arena* a, const char* path) {
+  // Duplicate the string because dirname doesnt like const literals
+  char* path_copy = arena_alloc(a, strlen(path) + 1);
+  strcpy(path_copy, path);
+  char* path_dirname = dirname(path_copy);
+  return (path_opt){ .path = Str8_cstr_view(path_dirname), .has_value = true };
+}
+
+#endif
diff --git a/archive/src/platform/platform_windows.c b/archive/src/platform/platform_windows.c
new file mode 100644
index 0000000..21ef359
--- /dev/null
+++ b/archive/src/platform/platform_windows.c
@@ -0,0 +1,22 @@
+#include "platform.h"
+
+#if defined(CEL_PLATFORM_WINDOWS)
+
+#include <shlwapi.h>
+#include <windows.h>
+#pragma comment(lib, "Shlwapi.lib")
+
+path_opt path_parent(arena* a, const char* path) {
+  // Duplicate the string because PathRemoveFileSpec mutates in-place
+  size_t len = strlen(path) + 1;
+  char* path_copy = arena_alloc(a, len);
+  strcpy_s(path_copy, len, path);
+
+  if (PathRemoveFileSpecA(path_copy)) {
+    return (path_opt){ .path = Str8_cstr_view(path_copy), .has_value = true };
+  } else {
+    return (path_opt){ .has_value = false };
+  }
+}
+
+#endif